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Latest 25 from a total of 765 transactions
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Approve | 20322311 | 43 days ago | IN | 0 ETH | 0.00014513 | ||||
Approve | 19280826 | 189 days ago | IN | 0 ETH | 0.00174168 | ||||
Approve | 19267931 | 191 days ago | IN | 0 ETH | 0.00172025 | ||||
Approve | 17811815 | 395 days ago | IN | 0 ETH | 0.00038496 | ||||
Approve | 17009755 | 508 days ago | IN | 0 ETH | 0.00077929 | ||||
Approve | 17009754 | 508 days ago | IN | 0 ETH | 0.00075658 | ||||
Approve | 17009678 | 508 days ago | IN | 0 ETH | 0.00070558 | ||||
Approve | 17009677 | 508 days ago | IN | 0 ETH | 0.00071679 | ||||
Approve | 17009676 | 508 days ago | IN | 0 ETH | 0.00075058 | ||||
Approve | 17009548 | 508 days ago | IN | 0 ETH | 0.00066567 | ||||
Approve | 17009459 | 508 days ago | IN | 0 ETH | 0.00069739 | ||||
Approve | 17009458 | 508 days ago | IN | 0 ETH | 0.00065736 | ||||
Approve | 17009457 | 508 days ago | IN | 0 ETH | 0.00064824 | ||||
Approve | 17008470 | 508 days ago | IN | 0 ETH | 0.00046663 | ||||
Approve | 17008470 | 508 days ago | IN | 0 ETH | 0.00046663 | ||||
Approve | 16648402 | 559 days ago | IN | 0 ETH | 0.00112743 | ||||
Approve | 16397709 | 594 days ago | IN | 0 ETH | 0.00064352 | ||||
Approve | 16267692 | 612 days ago | IN | 0 ETH | 0.00059625 | ||||
Approve | 16036460 | 644 days ago | IN | 0 ETH | 0.00063484 | ||||
Approve | 15999657 | 649 days ago | IN | 0 ETH | 0.00054666 | ||||
Approve | 15984281 | 652 days ago | IN | 0 ETH | 0.00076066 | ||||
Approve | 15965747 | 654 days ago | IN | 0 ETH | 0.0006847 | ||||
Approve | 15709865 | 690 days ago | IN | 0 ETH | 0.00120167 | ||||
Approve | 15608535 | 704 days ago | IN | 0 ETH | 0.00027996 | ||||
Approve | 15574270 | 709 days ago | IN | 0 ETH | 0.00030416 |
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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0x1337BedC...2A27963EC The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
Vyper_contract
Compiler Version
vyper:0.2.5
Contract Source Code (Vyper language format)
# @version ^0.2.0 """ @title Curve LP Token @author Curve.Fi @notice Base implementation for an LP token provided for supplying liquidity to `StableSwap` @dev Follows the ERC-20 token standard as defined at https://eips.ethereum.org/EIPS/eip-20 """ from vyper.interfaces import ERC20 implements: ERC20 interface Curve: def owner() -> address: view event Transfer: _from: indexed(address) _to: indexed(address) _value: uint256 event Approval: _owner: indexed(address) _spender: indexed(address) _value: uint256 name: public(String[64]) symbol: public(String[32]) decimals: public(uint256) # NOTE: By declaring `balanceOf` as public, vyper automatically generates a 'balanceOf()' getter # method to allow access to account balances. # The _KeyType will become a required parameter for the getter and it will return _ValueType. # See: https://vyper.readthedocs.io/en/v0.1.0-beta.8/types.html?highlight=getter#mappings balanceOf: public(HashMap[address, uint256]) allowances: HashMap[address, HashMap[address, uint256]] total_supply: uint256 minter: address @external def __init__(_name: String[64], _symbol: String[32], _decimals: uint256, _supply: uint256): init_supply: uint256 = _supply * 10 ** _decimals self.name = _name self.symbol = _symbol self.decimals = _decimals self.balanceOf[msg.sender] = init_supply self.total_supply = init_supply self.minter = msg.sender log Transfer(ZERO_ADDRESS, msg.sender, init_supply) @external def set_minter(_minter: address): assert msg.sender == self.minter self.minter = _minter @external def set_name(_name: String[64], _symbol: String[32]): assert Curve(self.minter).owner() == msg.sender self.name = _name self.symbol = _symbol @view @external def totalSupply() -> uint256: """ @dev Total number of tokens in existence. """ return self.total_supply @view @external def allowance(_owner : address, _spender : address) -> uint256: """ @dev Function to check the amount of tokens that an owner allowed to a spender. @param _owner The address which owns the funds. @param _spender The address which will spend the funds. @return An uint256 specifying the amount of tokens still available for the spender. """ return self.allowances[_owner][_spender] @external def transfer(_to : address, _value : uint256) -> bool: """ @dev Transfer token for a specified address @param _to The address to transfer to. @param _value The amount to be transferred. """ # NOTE: vyper does not allow underflows # so the following subtraction would revert on insufficient balance self.balanceOf[msg.sender] -= _value self.balanceOf[_to] += _value log Transfer(msg.sender, _to, _value) return True @external def transferFrom(_from : address, _to : address, _value : uint256) -> bool: """ @dev Transfer tokens from one address to another. @param _from address The address which you want to send tokens from @param _to address The address which you want to transfer to @param _value uint256 the amount of tokens to be transferred """ # NOTE: vyper does not allow underflows # so the following subtraction would revert on insufficient balance self.balanceOf[_from] -= _value self.balanceOf[_to] += _value if msg.sender != self.minter: # minter is allowed to transfer anything _allowance: uint256 = self.allowances[_from][msg.sender] if _allowance != MAX_UINT256: # NOTE: vyper does not allow underflows # so the following subtraction would revert on insufficient allowance self.allowances[_from][msg.sender] = _allowance - _value log Transfer(_from, _to, _value) return True @external def approve(_spender : address, _value : uint256) -> bool: """ @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 @param _spender The address which will spend the funds. @param _value The amount of tokens to be spent. """ assert _value == 0 or self.allowances[msg.sender][_spender] == 0 self.allowances[msg.sender][_spender] = _value log Approval(msg.sender, _spender, _value) return True @external def mint(_to: address, _value: uint256) -> bool: """ @dev Mint an amount of the token and assigns it to an account. This encapsulates the modification of balances such that the proper events are emitted. @param _to The account that will receive the created tokens. @param _value The amount that will be created. """ assert msg.sender == self.minter assert _to != ZERO_ADDRESS self.total_supply += _value self.balanceOf[_to] += _value log Transfer(ZERO_ADDRESS, _to, _value) return True @external def burnFrom(_to: address, _value: uint256) -> bool: """ @dev Burn an amount of the token from a given account. @param _to The account whose tokens will be burned. @param _value The amount that will be burned. """ assert msg.sender == self.minter assert _to != ZERO_ADDRESS self.total_supply -= _value self.balanceOf[_to] -= _value log Transfer(_to, ZERO_ADDRESS, _value) return True
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"name":"Transfer","inputs":[{"type":"address","name":"_from","indexed":true},{"type":"address","name":"_to","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"type":"address","name":"_owner","indexed":true},{"type":"address","name":"_spender","indexed":true},{"type":"uint256","name":"_value","indexed":false}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"},{"type":"uint256","name":"_decimals"},{"type":"uint256","name":"_supply"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"set_minter","outputs":[],"inputs":[{"type":"address","name":"_minter"}],"stateMutability":"nonpayable","type":"function","gas":36218},{"name":"set_name","outputs":[],"inputs":[{"type":"string","name":"_name"},{"type":"string","name":"_symbol"}],"stateMutability":"nonpayable","type":"function","gas":177979},{"name":"totalSupply","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1121},{"name":"allowance","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"_owner"},{"type":"address","name":"_spender"}],"stateMutability":"view","type":"function","gas":1581},{"name":"transfer","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":74803},{"name":"transferFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":112302},{"name":"approve","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":39049},{"name":"mint","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":75779},{"name":"burnFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":75797},{"name":"name","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":7733},{"name":"symbol","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":6786},{"name":"decimals","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1391},{"name":"balanceOf","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"arg0"}],"stateMutability":"view","type":"function","gas":1636}]
Deployed Bytecode
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ARB | 100.00% | $0.282608 | 20,259.8717 | $5,725.6 |
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